3.7.9 Checking the Configuration Protection Status

To read the current configuration protection level:

  • Send the CNFG_GetCfgProtectionLevel command through Endpoint 0x05 (OUT)
  • Read the response through Endpoint 0x85 (IN)

A successful response returns the protection level:

  • 0x00 — Password disabled; the configuration is modifiable
  • 0x40 — Password set; the configuration is unlocked
  • 0x80 — Password set; the configuration is locked
  • 0xC0 — The configuration is permanently locked